Electric heater



FIG. 1 is a front elevational view of an electric heater, showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is an elevational view of the opposite side thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front elevational view of a second embodiment of an electric heater;

FIG. 8 is a rear elevational view thereof;

FIG. 9 is a side elevational view thereof;

FIG. 10 is an elevational view of the opposite side thereof;

FIG. 11 is a top plan view thereof;

FIG. 12 is a bottom plan view thereof;

FIG. 13 is a front elevational view of a third embodiment of an electric heater;

FIG. 14 is a rear elevational view thereof;

FIG. 15 is a side elevational view thereof;

FIG. 16 is an elevational view of the opposite side thereof;

FIG. 17 is a top plan view thereof;

FIG. 18 is a bottom plan view thereof;

FIG. 19 is a front elevational view of a fourth embodiment of an electric heater;

FIG. 20 is a rear elevational view thereof;

FIG. 21 is a side elevational view thereof;

FIG. 22 is an elevational view of the opposite side thereof;

FIG. 23 is a top plan view thereof;

FIG. 24 is a bottom plan view thereof. 

The ornamental design for an electric heater, as shown and described. 